Home / 28,776,002.40-43,164,003.60-28,608,040.80

Finding the Fourth Proportional to 28,776,002.40, 43,164,003.60 and 28,608,040.80

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Solution

The fourth proportional to 28,776,002.40, 43,164,003.60 and 28,608,040.80 is: 42,912,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776,002.40 : 43,164,003.60 = 28,608,040.80 : x
  2. Step 2: Convert to fraction form
    28,776,002.40/43,164,003.60 = 28,608,040.80/x
  3. Step 3: Cross multiply
    28,776,002.40x = 43,164,003.60 × 28,608,040.80
  4. Step 4: Simplify right side
    28,776,002.40x = 1,234,837,576,080,147
  5. Step 5: Solve for x
    x = 1,234,837,576,080,147/28,776,002.40
  6. Step 6: Final answer
    x = 42,912,061.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.